Note 13 - Income Taxes (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2019			2018			2019			2018
Income tax expense	$	23		$	22		$	44		$	43
Effective income tax rate		28	%		27	%		34	%		26	%